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BF: Handle installing Rosetta on Mac if needed #91

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BF: Handle installing Rosetta on Mac if needed #91

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3473761
BF: Handle installing Rosetta on Mac if needed
Apr 30, 2026
171019e
FF: Throw error as normal if failing for non-Rosetta reasons
Apr 30, 2026
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25 changes: 22 additions & 3 deletions electron/src/python/uv.js
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Original file line number Diff line number Diff line change
Expand Up @@ -226,9 +226,28 @@ export class UV {
pythonVersion = `cpython-${pythonVersion}-macos-x86_64-none`
}
// make a new venv
await this.execTracked([
"venv", folder, "--python", pythonVersion, "--clear"
])
try {
await this.execTracked([
"venv", folder, "--python", pythonVersion, "--clear"
])
} catch (err) {
// on Mac, we might need to install Rosetta first
if (err.code === 86) {
// install Rosetta
await execTracked(
"UV",
"/usr/sbin/softwareupdate",
["--install-rosetta", "--agree-to-license"]
)
// make venv again - this time with Rosetta
await this.execTracked([
"venv", folder, "--python", pythonVersion, "--clear"
])
} else {
throw err
}
}

// return its path
return this.findPython(psychopyVersion)
}
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